package com.bysj.studentsystem.domain;

import com.alibaba.fastjson.annotation.JSONField;
import com.bysj.studentsystem.entity.SysUser;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.util.CollectionUtils;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @ClassName LoginUser
 * @Description:
 * @Author: xubao@wair.ac.cn
 * @Date: 2024/3/9 22:20
 */

@Data
@NoArgsConstructor
@AllArgsConstructor
public class LoginUser implements UserDetails {

    private SysUser sysUser;

    private List<String> permissions;

    @JSONField(serialize = false)
    private List<SimpleGrantedAuthority> authorities;

    public LoginUser(SysUser sysUser, List<String> permissions) {
        this.sysUser = sysUser;
        this.permissions = permissions;
    }

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (CollectionUtils.isEmpty(authorities)){
            // 把permissions中string类型的权限信息分装成 SimpleGrantedAuthority 对象
            authorities = permissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
        }
        return authorities;
    }

    @Override
    public String getPassword() {
        return sysUser.getPassword();
    }

    @Override
    public String getUsername() {
        return sysUser.getUsername();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}
